Strong eSIM eSIM – Review, Test & Promo Code 2026

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Countries covered

190 countries

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Starting at

3,60 €

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Network

5G

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Data

Starting at 500 MB

Calls/SMS

No

Extensive coverage >190 countries, including Africa, Caribbean, Americas.

Affordable plans from €3.60, data from 500MB to unlimited for 1-30 days.

Fast activation via QR code, no app or physical SIM needed.

24/7 support via WhatsApp and email.

High-speed 4G/5G data-only where available.

Official ratings

Destinations & coverage

By region

Key points

Advantages

  • Low price and instant activation for travelers in a hurry.
  • Wide coverage including less common regions.
  • Responsive 24/7 customer support according to some reviews.
  • No roaming fees nor need for physical stores.
  • Compatible with most eSIM smartphones.
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Disadvantages

  • Data-only, no calls or SMS.
  • Coverage and speeds vary by local partner.
  • Little company info and no dedicated apps.
  • Mixed reviews on reliability and incorrect pricing.
  • Possible throttling after heavy usage.

Customer reviews

✓ Verified traveler

5/5

Used in Thailand, 10GB/30 days. Easy installation and works perfectly without problems.

February 1, 2026

✓ Verified traveler

5/5

eSIM tested without interruption, one of the cheapest providers found.

January 1, 2026

✓ Verified traveler

5/5

First try, chosen for low price, but works very well without issue.

October 1, 2025

Description

Strong eSIM is a data-only eSIM provider for travelers, digital nomads, and professionals on the go. Covering over 190 countries through local, regional (Africa, Caribbean, Central/South America), and global plans, with data from 500MB/day to unlimited over 1-30 days starting at €3.60. Instant activation via QR code without a physical SIM, 24/7 WhatsApp support. Ideal to avoid roaming fees, but data-only without calls/SMS.

How it works

Go to https://strongesim.com and select your travel country or region.

Select data and duration (1-30 days, 500MB to unlimited) suited to your needs.

Complete secure payment to receive the QR code by email.

In your phone's eSIM settings, scan the QR to install the profile.

Select the Strong eSIM, enable mobile data and roaming.

Test data; contact WhatsApp support if needed.

⚠️ If it fails

✅ Check phone eSIM compatibility, stable WiFi connection; restart and retry QR scan.

✅ Toggle airplane mode on then off, select eSIM for data, verify roaming; restart.

✅ Contact WhatsApp or email support for a new QR; mention your order.

Alternatives

FAQ

Opt for an Asia regional plan 5-10GB/7-15 days depending on usage; from ~€4 for basic data.

Yes generally, but depends on the partner network; test and check plan conditions.

Most recent eSIM smartphones (iPhone XS+, Samsung S20+, Pixel 3+); check official list.

Contact support quickly; some reviews mention refunds for price glitches.

Yes, use physical SIM for calls/SMS and Strong eSIM for data in dual-SIM.

Via your phone settings. Strong eSIM does not offer a dedicated app for tracking, so it is important to monitor your usage through your device's settings to avoid exceeding your plan.

Company info

Legal name: STRONG ESIM LTD

Address: London, United Kingdom

Email: [email protected]

Website: https://strongesim.com

Support

24/7

Accepted payments

Visa, Mastercard, American Express, PayPal, Google Pay, Apple Pay

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